FILE - In this July 11, 2015, file photo, Serena Williams, of the United States, holds up the trophy after winning the women's singles final against Garbine Muguruza, of Spain, at the All England Lawn Tennis Championships in Wimbledon, Prize money at Wimbledon is increasing 5 percent this year, with the men's and women's singles champions to receive 2 million pounds ($2.9 million). Organizers announced Tuesday, April 26, 2016 that total prize money for the grass-court Grand Slam is going up to 28.1 million pounds ($40 million).  The prize for the singles champions has been raised by 6.4 percent, or 120,000 pounds ($175,000). (AP Photo/Kirsty Wigglesworth, File)
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